PC Extra Super CD 1998 January/PCPLUS131.iso/DJGPP/V2/DJLSR201.ZIP/src/libc/ansi/stdio/ungetc.txh

Text File | 1995-07-10 | 443 b | 27 lines

@node ungetc, stdio
@subheading Syntax

@example
#include <stdio.h>

int ungetc(int c, FILE *file);
@end example

@subheading Description

This function pushes @var{c} back into the @var{file}.  You can only
push back one character at a time.

@subheading Return Value

The pushed-back character, or @code{EOF} on error.

@subheading Example

@example
int q;
while (q = getc(stdin) != 'q');
ungetc(q);
@end example